package henu.javaweb.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.net.URLEncoder;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import henu.javaweb.dao.StudentDao;
import henu.javaweb.util.WebDbPool;

/**
 * Servlet implementation class ResetPasswordServlet
 */
@WebServlet("/ResetPasswordServlet")
public class ResetPasswordServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ResetPasswordServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		PrintWriter out=response.getWriter();		
		 
	            if(request.getParameter("id")!=null) {
	            	StudentDao sDao=new StudentDao();
	            	sDao.updateStuPass(request.getParameter("id"), "666666");
	            String a = URLEncoder.encode("重置密码成功", "UTF-8"); 
	            response.sendRedirect("jsp/teacher/addStudent.jsp");
	            }
	            else{
	            String a = URLEncoder.encode("重置密码失败", "UTF-8"); 
	            response.sendRedirect("jsp/teacher/addStudent.jsp");
	        }
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		
		
		
		PrintWriter out=response.getWriter();
		String a = URLEncoder.encode("学号不存在", "UTF-8"); 
		out.print("<script type=\'text/javascript\'>alert(decodeURIComponent('"+a+"'));history.go(-1);</script>");
	}

}
